What you need
~Have 4 to 5 players with extra controllers available
~Have a custom game mode with unlimited time and score multiplier of 5
Steps
1) be I public match menu with 3 players, each with an extra controller (6 people)
2) click find match with a player with open nat type
~ if done correctly there will be a timer countdown form 59 with your friends
3) press Y and put the group to 8 players and everybody needs to load the custom game mode from the host
~ it will say need more more players to start game
4) your 2 friends will disable there controllers (press B while in lobby)
5) everyone reloads the custom game mode once again
6) then host leaves and disables there second controller
7) host joins there friends back
~ there should only be 3 people, no second controllers
8) inv the rest of your friends
9) everybody loads the custom game mode one more time
~ the game should start
10) if you don't have the ping bar when you click start in the game, YOU ARE HOST
11) If you are host you may not leave the session
12 ) now one person(not host) leaves the game and activates his second controller
13) repeat step 12 with everyone EXCEPT HOST


MSG KSI R3M11X FOR A INVITE TO A LOBBY IF YOU DON'T KNOW HOW TO DO THE LOBBY OR IF YOU NEED MORE PLAYERS

If there are any questions feel free to reply below and I will get back to you as soon as possible